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    • 91. 发明授权
    • Method and apparatus for controlling power source semiconductor
    • 用于控制电源半导体的方法和装置
    • US09544012B2
    • 2017-01-10
    • US14937635
    • 2015-11-10
    • Hyundai Autron Co., Ltd.
    • Soon Seob LeeTae Ok HaJong Ha Shin
    • H04B3/46G05F1/00H04B1/69H01L23/24H02M1/44H02M1/14
    • H04B1/69H01L23/24H02M1/143H02M1/44
    • A method for controlling a power source semiconductor may include: supplying, by a switching frequency supply unit, preset respective reference switching frequencies to a plurality of elements which are operated according to a respective switching frequency; sensing, by a control unit, sensing interference in the plurality of elements, based on operations of the elements according to the respective reference switching frequencies; setting, by the control unit, bandwidths for the respective reference switching frequencies when the interference in the plurality of elements is sensed; and increasing, by a bandwidth adjusting unit, bandwidth of the respective reference switching frequencies supplied through the switching frequency supply unit, based on the bandwidths for the respective reference switching frequencies.
    • 一种用于控制电源半导体的方法可以包括:通过开关频率提供单元将预设的各个参考开关频率提供给根据各个开关频率操作的多个元件; 通过控制单元感测基于各个参考切换频率的元件的操作来感测多个元件中的干扰; 当感测到所述多个元件中的干扰时,由所述控制单元设置用于各个参考切换频率的带宽; 并且通过带宽调整单元,基于各个参考开关频率的带宽,增加通过开关频率提供单元提供的各个参考开关频率的带宽。
    • 94. 发明授权
    • Switching power supply
    • 开关电源
    • US09300204B2
    • 2016-03-29
    • US13962334
    • 2013-08-08
    • FUJI ELECTRIC CO., LTD.
    • Kenichi Nishijima
    • H03K5/1254H02M3/156H02M1/14H02M3/335
    • H02M3/156H02M1/143H02M3/33507
    • A switching power supply comprises a noise detecting circuit and a canceling signal generating circuit. The noise detecting circuit detects GND bounce noise developing on a ground line of the control circuit accompanying switching operation of a switching element. The canceling signal generating circuit generates a canceling signal corresponding to the GND bounce noise and in a reversed phase, and adds the canceling signal to the ground line when the noise detecting circuit detects the GND bounce noise. In an embodiment, the canceling signal generating circuit generates a canceling signal based on the current flowing through the switching element. In another embodiment, the canceling signal generating circuit generates a canceling signal of a pulse signal with a pulse height equal to a threshold level for detection determination of the GND bounce noise in the noise detecting circuit.
    • 开关电源包括噪声检测电路和消除信号发生电路。 噪声检测电路检测伴随开关元件的切换操作的控制电路的接地线上产生的GND反弹噪声。 消除信号发生电路产生与GND反弹噪声相对应的抵消信号,并且在反相中,当噪声检测电路检测到GND反弹噪声时,将抵消信号加到接地线。 在一个实施例中,抵消信号发生电路基于流过开关元件的电流产生抵消信号。 在另一个实施例中,消除信号发生电路产生具有等于阈值电平的脉冲信号的消除信号,用于检测噪声检测电路中的GND反弹噪声的确定。
    • 95. 发明授权
    • Solar inverter
    • 太阳能逆变器
    • US09270201B1
    • 2016-02-23
    • US13660752
    • 2012-10-25
    • mPower Solar Inc.
    • Suryanarayana Potharaju
    • H02M7/493H02M7/5395H02M7/5387H02M7/48
    • H02M7/5395H02J3/383H02M1/143H02M3/3376H02M7/4807H02M7/5387Y02E10/563
    • An inverter device has an active ripple cancellation boost circuit being configured to a DC source from a plurality of solar cells and configured to filter an AC current ripple back to the DC source and boost the DC voltage to an intermediary 12-15 voltage range. The device has a wave shaper circuit comprising a phase shift zero voltage switching full bridge circuit and a rectifier energy recovery circuit, the phase shift zero voltage switching full bridge circuit configured to shape the DC source to a half wave rectified 120V to 240V waveform. The device has an analog mixed signal controller module configured to generate a PWM waveform and synchronize the rectified waveform to a grid voltage.
    • 逆变器装置具有主动纹波消除升压电路,其被配置为来自多个太阳能电池的DC源,并被配置为将AC电流纹波过滤回到DC源并将DC电压升压到中间的12-15电压范围。 该装置具有包括相移零电压开关全桥电路和整流器能量恢复电路的波形整形电路,该相移零电压开关全桥电路被配置为将DC源形成半波整流的120V至240V波形。 该器件具有模拟混合信号控制器模块,用于产生PWM波形并将整流波形同步到电网电压。
    • 98. 发明申请
    • FLYBACK POWER CONVERTER AND CONTROL CIRCUIT AND CONTROL METHOD THEREOF
    • 反相电源转换器及其控制电路及其控制方法
    • US20150311778A1
    • 2015-10-29
    • US14691446
    • 2015-04-20
    • Kuang-Fu ChangTzu-Chen LinLi-Di Luo
    • Kuang-Fu ChangTzu-Chen LinLi-Di Luo
    • H02M1/14H02M1/00H02M3/335
    • H02M1/143H02M3/33507H02M2001/0058Y02B70/1433Y02B70/1491
    • The present invention provides a flyback power converter and a control circuit and a control method thereof. The flyback power converter includes: a power stage circuit, a voltage sense circuit, a current sense circuit, and a control circuit. When the flyback power converter operates in a quasi-resonant mode, the control circuit determines a time point of turning OFF a power switch in the power stage circuit according to a current sense signal, a pulse width modulation (PWM) frequency of a PWM signal, and a predetermined threshold, wherein the control circuit adaptively adjusts an ON period of the power switch, or adaptively adjusts an operation bandwidth or an amplifier gain of an error amplifier circuit in a feedback control loop according to the PWM frequency to mitigate an output voltage ripple.
    • 本发明提供一种反激式功率转换器及其控制电路及其控制方法。 反激式功率转换器包括:功率级电路,电压检测电路,电流检测电路和控制电路。 当回扫电力转换器工作在准谐振模式时,控制电路根据电流检测信号,PWM信号的脉冲宽度调制(PWM)频率确定关断功率级电路中的电源开关的时间点 和预定阈值,其中控制电路自适应地调整功率开关的导通周期,或者根据PWM频率自适应地调整反馈控制回路中的误差放大器电路的操作带宽或放大器增益,以减轻输出电压 波纹。
    • 100. 发明申请
    • Power Supply Device for a Nonlinear, Time-Varying Load
    • 用于非线性时变负载的电源装置
    • US20130207623A1
    • 2013-08-15
    • US13880712
    • 2011-10-18
    • Kwok Tung Wong
    • Kwok Tung Wong
    • G05F1/70
    • G05F1/70H02J3/1857H02M1/12H02M1/143Y02E40/26
    • A power supply device for a nonlinear, time-varying load has a multi-phase power system. The load and a reactive power compensator are connected to the phases of the power system. The reactive power compensator is embodied as a multilevel converter with multiple strands, each connected to one of the power system phases and to the other strands at a common star point. The power supply device has a filter circuit that filters harmonics of load and converter currents. The filter circuit has multiple strands, each connected to one of the power system phases and to the other strands at a common star point of the filter circuit, which is connected to the common star point of the multilevel converter such that the common star point of the multilevel converter is connected to the power system phases both via the strands of the multilevel converter and via the filter circuit.
    • 用于非线性时变负载的电源装置具有多相电力系统。 负载和无功补偿器连接到电力系统的各个相。 无功功率补偿器被实施为具有多个线束的多电平转换器,每个线束连接到电力系统相中的一个以及在共同的星点处的其它线路。 电源装置具有滤波器电路,用于滤波负载和转换器电流的谐波。 滤波器电路具有多个线,每个线连接到电力系统相中的一个以及连接到多电平转换器的公共星点的滤波器电路的公共星点处的另一股,使得公共星点 多电平转换器经由多电平转换器的线路并通过滤波器电路连接到电力系统相位。